Calibration Standard Mix 4 Back Catalog number: 52013A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2173.7-100MG 3-n-Propylthiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1518-75-0 Price on request 678407 Fenamiphos-sulfoxide, 100 µg/ml, Acetonitrile, 1 Price on request 11490.22-K-IO Di-n-pentyldiphenyltin,1000 µg/mL,isooctane,1mL, Price on request